Updates WriteToBigQuery PTransform to get project id from GoogleCloudOptions when using DirectRunner.
Updates WriteToBigQuery PTransform to get project id from GoogleCloudOptions when using DirectRunner.

WriteToBigQuery PTransform behaves differently for DirectRunner and DataflowRunner when it comes to determining the project that the output table belongs to. If a project is not specified, DataflowRunner defauls to GoogleCloudOptions.project while DirectRunner does not. This PR fixes this inconsistency by defaulting to GoogleCloudOptions.project for DirectRunner as well.

apache/beam,robertwb/incubator-beam,wangyum/beam,apache/beam,robertwb/incubator-beam,rangadi/incubator-beam,jbonofre/beam,chamikaramj/beam,robertwb/incubator-beam,staslev/beam,charlesccychen/incubator-beam,staslev/beam,charlesccychen/incubator-beam,markflyhigh/incubator-beam,RyanSkraba/beam,apache/beam,lukecwik/incubator-beam,tgroh/beam,robertwb/incubator-beam,chamikaramj/beam,chamikaramj/beam,charlesccychen/beam,chamikaramj/beam,RyanSkraba/beam,tgroh/incubator-beam,chamikaramj/beam,apache/beam,charlesccychen/beam,apache/beam,wangyum/beam,lukecwik/incubator-beam,apache/beam,chamikaramj/beam,iemejia/incubator-beam,charlesccychen/beam,wangyum/beam,markflyhigh/incubator-beam,lukecwik/incubator-beam,staslev/incubator-beam,markflyhigh/incubator-beam,mxm/incubator-beam,tgroh/beam,charlesccychen/incubator-beam,apache/beam,staslev/beam,chamikaramj/beam,apache/beam,charlesccychen/beam,lukecwik/incubator-beam,chamikaramj/beam,markflyhigh/incubator-beam,charlesccychen/beam,jbonofre/beam,staslev/incubator-beam,markflyhigh/incubator-beam,rangadi/beam,rangadi/beam,robertwb/incubator-beam,charlesccychen/beam,iemejia/incubator-beam,RyanSkraba/beam,chamikaramj/beam,jbonofre/beam,robertwb/incubator-beam,rangadi/beam,jbonofre/beam,rangadi/incubator-beam,markflyhigh/incubator-beam,robertwb/incubator-beam,lukecwik/incubator-beam,RyanSkraba/beam,lukecwik/incubator-beam,rangadi/beam,rangadi/beam,RyanSkraba/beam,wangyum/beam,tgroh/beam,apache/beam,robertwb/incubator-beam,tgroh/incubator-beam,jbonofre/incubator-beam,chamikaramj/beam,lukecwik/incubator-beam,lukecwik/incubator-beam,RyanSkraba/beam,charlesccychen/beam,rangadi/beam,markflyhigh/incubator-beam,robertwb/incubator-beam,lukecwik/incubator-beam,jbonofre/incubator-beam,rangadi/incubator-beam,mxm/incubator-beam,apache/beam,RyanSkraba/beam,lukecwik/incubator-beam,rangadi/beam,robertwb/incubator-beam,apache/beam,tgroh/beam